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Advice on Low Aspect-ratio sail for new boat

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  • 21 Jun 2018 21:25
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    Reply # 6330763 on 6330157
    Deleted user

    Hi David


    Interesting boat, it's sort of like a puddle duck on steroids :)


    you might be best off with a split junk rig if you need to pile a bunch of canvas on a short mast, they're fairly low with decent windward performance, http://www.junkrigassociation.org/slieve


    Here's a hasler/macleod polytarp sail tutorial you might get some ideas from, I modified the smaller version to suit my little dingy, ended up with 70 sq ft on a mast that's 10' above the partners, probably could have made it 85 sq ft without any problems hanging it on the mast. seems to work quite well.

    http://www.duckworksmagazine.com/06/howto/junkrig/index.htm


    Here's a tutorial for the redish sail http://www.thecheappages.com/junk/tutorial.html#Reddish


    looking forward to see how it turns out


    Bill

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    Last modified: 21 Jun 2018 21:29 | Deleted user
  • 21 Jun 2018 19:45
    Quote
    Message # 6330157
    Deleted user

    Hi.

     I am ready to put a rig on my newly finished boat 

      www.oursquaretrailersailor.blogspot.com 

    I attached a sketchup of the general idea to this post. That particular mainsail is just something I threw out there to get a picture. 

    Now I want to go ahead a build a sail.

    At this stage I am looking at a very "quick and dirty" version to be considered a learning experience.  I am looking at a flat polytarp sail with split battens lashed to each other through the sail as mentioned in Van Loan. 

      I have studied PJR extensively but my mast-height constraint forces me to look at a very low-aspect ratio mainsail if I wish to get the 150-200 sq.ft. I need. Top of tabernacle to masthead truck holes is 18'3".  I am leaning away from the Hasler/Macleod sail. 

      I have been told the Reddish sail could be a good choice. Are there specific issues of JRA magazine that I should look at for guidance on that sail?

      From looking around, the Fantail shape could be good for me as well. I couldn't make this link work https://www.box.com/s/e2d899dda29d80e51798 which I got from a forum post on the topic. Could someone direct me to this as well?

    Thanks,

    David


     

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